3348. Smallest Divisible Digit Product II

LeetCodeMathStringBacktrackingGreedyNumber TheoryOpen on judge ↗

You are given a string num which represents a positive integer, and an integer t. A number is called zero-free if none of its digits are 0. Return a string representing the smallest zero-free number greater than or equal to num such that the product of its digits is divisible by t. If no such number exists, return "-1". Example 1: Input: num = "1234", t = 256 Output: "1488" Explanation: T

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solution.cppC++17

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